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TotalValencyAtom.java
/* $RCSfile$
 * $Author$
 * $Date$
 * $Revision$
 * 
 * Copyright (C) 2004-2007  The Chemistry Development Kit (CDK) project
 *
 * Contact: cdk-devel@lists.sourceforge.net
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.openscience.cdk.isomorphism.matchers.smarts;

import org.openscience.cdk.interfaces.IAtom;

/**
 * This matcher checks the total valency of the Atom.
 * This cannot be matched with a unpreprocessed Atom!
 *
 * @cdk.module  smarts
 * @cdk.githash
 * @cdk.keyword SMARTS 
 */
00036 public class TotalValencyAtom extends SMARTSAtom {

00038     private static final long serialVersionUID = -8067867220731999668L;
    
    public TotalValencyAtom(int valency) {
        setValency(valency);
    }
    
00044    public boolean matches(IAtom atom) {
         return (atom.getValency()!=0 && atom.getValency() == this.getValency());
    }

00048     public String toString() {
            StringBuffer s = new StringBuffer();
            s.append("TotalValency(");
        s.append(this.hashCode() + ", ");
            s.append("V:" + getValency());
        s.append(")");
            return s.toString();
    }
}


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